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| 型號(hào)： | TAS5028APAGG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | GREEN, PLASTIC, TQFP-64 |
| 文件頁(yè)數(shù)： | 27/82頁(yè) |
| 文件大?。?/td> | 1347K |
| 代理商： | TAS5028APAGG4 |
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TAS5028A Controls and Status
26
SLES112 — June 2004
TAS5028A
Because RESET is an asynchronous signal, clicks and pops produced during the application (the leading
edge) of RESET cannot be avoided. However, the transition from the hard mute state (M) to the operational
state is performed using a quiet start up sequence to minimize noise. This control uses the PWM reset and
unmute sequence to shut down and start up the PWM. A detailed description of these sequences is contained
in the PWM section. If a completely quiet reset or power down sequence is desired, MUTE should be applied
before applying RESET.
The rising edge of the reset pulse begins device initialization before the transition to the operational mode.
During device initialization, all controls are reset to their initial states. Table 22 shows the default control
settings following a reset.
Table 22. Values Set During Reset
CONTROL
SETTING
Clock register
Not valid
High pass
Disabled
Unmute from clock error
Hard unmute
Post DAP detection automute
Enabled
Eight Ch PreDAP detection automute
Enabled
Deemphasis
De-emphasis disabled
Channel configuration control
Configured for the default setting
Headphone configuration control
Configured for the default setting
Serial data interface format
I2S 24 bit
Individual channel mute
No channels are muted
Automute delay
5 ms
Automute threshold 1
< 8 bits
Automute threshold 2
Same as automute threshold 1
Modulation limit
Maximum modulation limit of 97.7%
Six (or eight – low) channel configuration
Eight channels
Slew rate limit
Disengaged for all channels
Interchannel delay
32, 0, –16, 16, –24, 8, –8, 24
Shutdown PWM on error
Enabled
Volume and mute update rate
Volume ramp 85 ms
Treble and bass slew rate
Update every 1.31 ms
Bank switching
Manual bank selection is enabled
Auto bank switching map
All channels use bank 1
Input mixer coefficients
Input N > channel N, no attenuation
Output mixer coefficients
Channel N > output N, no attenuation
Subwoofer sum into Ch1 and 2 (5508)
Gain of 0
Ch1 and 2 sum in subwoofer (5508)
Gain of 0
Bass and treble bypass
Gain of 1
Bass and treble Inline
Gain of 0
Master volume
Mute
Individual channel volumes
0 dB
All bass and treble Indexes
0x12 neutral
Treble filter sets
Filter set 3
Bass filter sets
Filter set 3
AM interference enable
Disabled
AM interference IF
455
AM interference select sequence
1
Tuned freq and mode
0000 , BCD
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| TAS5028PAG | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| TAS5028PAGR | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TAS5028APAGR | 功能描述:音頻放大器 8Ch Dig Aud PWM Proc RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TAS5028APAGRG4 | 功能描述:音頻放大器 8Ch Dig Aud PWM Proc RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TAS5028PAG | 功能描述:音頻 DSP 8 Ch Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TAS5028PAGG4 | 功能描述:音頻 DSP 8 Ch Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TAS5028PAGR | 功能描述:音頻 DSP 8 Ch Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
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